But Mr Morrison says the PNG police review of the situation is only an initial report.

"That investigation has not been completed - there will be a full review into this, including into the operations and activities of any of the service providers that were present on that night and anyone else who was present on that night," he said.

Prime Minister Tony Abbott says Mr Berati's death is tragic.

"Any death is tragic and deeply regrettable, but the important thing has been to stop the boats and end the deaths at sea," he said.